CN215360138U - Position correcting mechanism for lap seam of paper container barrel body - Google Patents

Abstract

The utility model relates to a position correcting mechanism for lap seams of a novel paper container barrel body.A forming die is vertically arranged on a turntable, a bottom rolling die is arranged below the forming die at a bottom rolling station and is in transmission connection with a lifting transmission device and a rotating transmission device, a spring is arranged between a correcting ring above the bottom rolling die and the bottom rolling die, a die body of the forming die is arranged below the turntable and is connected on a mandrel, a rotating bearing is arranged between the die body and the mandrel, and a photoelectric eye for detecting seams is arranged on one side of the forming die at the bottom rolling station. Set up the circle of rectifying on rolling up end mould, die body relative rotation, the lap joint position of photoelectricity eye detectable paper container rises rolling up end mould, and the circle of rectifying leans on outside forming die's paper container stack shell, and it is rotatory through rolling up end mould, and the die body is rotatory, and it is rotatory to press the paper container stack shell on the die body by the circle of rectifying, can adjust the lap joint position of paper container stack shell, lets the lap joint position of each paper container stack shell keep unified, and the effect of rectifying is better.

Description

Position correcting mechanism for lap seam of paper container barrel body

Technical Field

The utility model relates to the production and manufacture of paper containers, in particular to a position deviation correcting mechanism for lap seams of a cylinder body of a paper container.

Background

In the forming process of the paper container, fan-shaped paper sheets are usually wrapped on a cylinder body mould for cylinder body forming, the cylinder body is formed by lapping, the lapping usually adopts ultrasonic welding, and then the paper container is connected with a container bottom (such as a cup bottom or a bowl bottom) and then a series of processing and manufacturing processes such as bottom rolling, mouth rolling and the like are carried out.

One end of the paper sheet is overlapped outside the other end to form a cylinder body, the overlapped part is a seam (namely overlapping seam) with the thickness of double-layer paper, and the overlapped part of the seam has thickness difference relative to other positions of the cylinder body, so that when the subsequent cylinder body and the container bottom are connected and formed, the whole circumference forming stress of the bottom of the paper container is uneven, and the overlapped part of the cylinder body has larger water leakage risk. The stress is uneven, so that a virtual sticking area is easy to appear, and the water leakage risk is increased; the requirement of customers on paper is thicker and thicker, and the thicker the paper, the more uneven the stress, the greater the risk of virtual sticking and water leakage.

The paper scraps are held behind a barrel body mold, the barrel body is formed by lapping, then the barrel body is conveyed forwards to a turnover cup receiving ring, then the turnover cup receiving ring is turned over to change the position by the turnover cup receiving ring, the barrel body is switched from a horizontal type to a vertical type, then the barrel body in the turnover cup receiving ring is pushed upwards by a feeding plate with lifting action, the barrel body is pushed upwards to a vertical type forming mold (such as a forming cup mold), the forming mold is positioned on a turntable, when the turntable rotates to a feeding station, the forming mold on the turntable is opposite to the feeding plate below from top to bottom, the turntable drives the forming mold to each station, and the subsequent processing of a certain column, such as bottom rolling and the like is carried out. The bottom rolling die is arranged in a rotating and lifting mode, is in transmission connection with the lifting transmission device and the rotating transmission device, is matched with the bottom rolling die to roll the bottom, and then is rolled or expanded to finish bottom processing.

SUMMERY OF THE UTILITY MODEL

In view of the technical problems in the background art, the technical problem to be solved by the utility model is to provide a novel position deviation rectifying mechanism for a lap seam of a paper container barrel body. It can rectify the overlap joint position of paper container stack shell, lets the overlap joint position of each paper container keep unified, helps the fashioned stability of paper container to the overlap joint of paper container stack shell is dodged in the follow-up.

In order to solve the technical problems, the utility model adopts the following technical scheme: novel paper container stack shell overlap joint's position mechanism of rectifying, including forming die, forming die connects on the carousel to forming die vertically sets up on the carousel, is furnished with a roll end mould in the below of the forming die of rolling up end station department, rolls up end mould and is connected its characterized in that with lift transmission and rotation transmission: the bottom rolling mold is connected with a deviation rectifying ring, the deviation rectifying ring is located above the bottom rolling mold, a spring is arranged between the deviation rectifying ring and the bottom rolling mold, a deviation rectifying via hole is formed in the deviation rectifying ring, the forming mold comprises a core shaft and a mold body, the mold body is located below the rotary table, the mold body is connected to the core shaft, a rotary bearing is arranged between the mold body and the core shaft, a photoelectric eye for detecting a joint seam is further arranged on one side of the forming mold at the bottom rolling station, and the photoelectric eye is connected with a rotary transmission device. It is through add the circle of rectifying on rolling up end mould, and forming die's die body can the relative rotation, photoelectric eye can detect the lap joint position of paper container, it rises rolling up end mould, the hole of rectifying of the circle of rectifying leans on outside forming die's paper container stack shell, it is rotatory through rolling up end mould, forming die's die body is rotatory, it is rotatory to press the paper container stack shell on the die body by the circle of rectifying, thereby can adjust the lap joint position of paper container stack shell, the lap joint position of letting each paper container stack shell keeps unified, and the paper container after the unified position is sent forming die to go up the difficult emergence of back position and is changed, and is more practical, it is better to rectify the effect. The deviation rectifying action is arranged at the bottom rolling station, the deviation rectifying process is carried out in cooperation with the bottom rolling action, the space structure is more compact, the operation is convenient, and the cost is saved.

The following optimization or supplementary explanation can be performed on the technical scheme.

For example, the offset vias are matched to the molding dies. So that the deviation rectifying ring can be stably sleeved outside the die body of the forming die.

For another example, the rotary bearing is a one-way rotary bearing. The die body can rotate towards one direction and cannot rotate reversely, so that the bottom rolling can be performed smoothly in the following process, the rolling can be performed reversely, and the forming die is in a fixed state, so that the rolling effect is ensured.

In addition, an air channel is arranged in the mandrel, and a lower port of the air channel is arranged at the lower end of the mandrel or below the die body. The air source can be smoothly connected so as to suck the bottom of the container.

Wherein, can optimize, the lower extreme of dabber is equipped with the chassis, and the lower port of gas passageway is located the chassis. The structure layout is reasonable, the bottom of the sucking container is more stable, and the bottom of the container is more flat.

The gas channel is arranged on the core pipe, the core pipe is sleeved in the central hole of the mandrel, the lower end of the core pipe is connected with the chassis, the chassis is positioned on the core pipe, the lower port of the gas channel is positioned on the chassis, and the chassis is positioned below the mandrel. The processing and manufacturing are convenient, and the assembly is simple.

For another example, the mandrel is further provided with a speed reducing friction disc, and the speed reducing friction disc is in contact fit with the die body. The mold body is prevented from rotating, so that the paper container barrel body on the forming mold can not rotate to change the position.

Further optimize, the speed reduction friction disk is sleeved on the mandrel, and the speed reduction friction disk is positioned on the upper side of the die body.

The bottom rolling mould is connected with a bolt, a spring is sleeved on the bolt, a support ring is connected on the bolt, a connecting hole of the support ring is sleeved on the bolt, the spring is located between the support ring and the bottom rolling mould, and a deviation correcting ring is installed on the support ring. Structural configuration is reasonable, can change the circle of rectifying of different specifications, and the circle simple to operate that just rectifies, and is more practical.

The position correcting mechanism for the lap seam of the novel paper container barrel has the advantages that on the basis of lifting and rotating of the bottom rolling die, the correcting ring is additionally arranged on the bottom rolling die, so that the correcting through hole of the correcting ring is close to the outside of the paper container barrel of the forming die, the forming die is structurally changed, the die body of the forming die can rotate relatively, the photoelectric eye can detect the lap seam position of the paper container, the bottom rolling die rises, the die body of the forming die rotates through rotation of the bottom rolling die, the paper container barrel on the die body is pressed by the correcting ring to rotate, the lap seam position of the paper container barrel can be adjusted, the lap seam positions of the paper container barrels are kept uniform, the position of the paper container barrels after the position correcting is unified is not prone to change after the paper container is sent to the forming die, and the position correcting mechanism is more practical and has better effect. Avoid the lap joint position of paper container stack shell to incline left or incline right, help the fashioned stability of paper container to the lap joint of paper container stack shell is dodged in the follow-up, and it is more even to let the atress of paper container bottom in the roll extrusion or the pressure equipment that rises when rolling or the pressure. Thus, the present invention provides substantial features and advances over the prior art.

Drawings

The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings.

FIG. 1 is a schematic side view of the position correcting mechanism of the present invention.

Fig. 2 is a cross-sectional view of fig. 1.

Fig. 3 is a schematic perspective view of fig. 1.

Fig. 4 is a schematic view of the cartridge of fig. 3 with a paper container.

In the figure: 20. forming a mold; 31. rolling a bottom mould; 32. a deviation rectifying ring; 33. a spring; 34. a deviation rectifying via hole; 35. a mandrel; 36. a mold body; 37. a rotating bearing; 38. a photoelectric eye; 39. an air channel; 40. a chassis; 41. a core tube; 42. a deceleration friction disk; 43. a bolt; 45. a support ring; 46. a driving wheel; 47. a spline shaft; 25. lap-seaming; 8. a paper container barrel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it should be apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to the drawings, in the embodiment of the present invention, the position deviation rectifying mechanism for lap joint of the novel paper container barrel body includes a forming mold 20, the forming mold 20 is connected to a turntable, the forming mold 20 rotates to each station along with the turntable, and the forming mold 20 is vertically disposed on the turntable. A bottom rolling die 31 is provided below the forming die 20 at the bottom rolling station, and the bottom rolling die 31 is used for rolling the bottom and inward rolling the bottom edge of the paper container barrel 8 so as to be connected with the container bottom. For example, the lifting transmission device has a lifting spline shaft 47, the lifting spline shaft 47 is provided with a driving wheel 46 (such as a gear or a belt pulley) with a spline hole, the rotating transmission device includes the driving wheel 46, the bottom of the lifting spline shaft 47 is used for jacking, the spline shaft 47 is provided with a spring 33 which moves downwards, the spline shaft 47 is in transmission connection with the bottom rolling die 31, and the spline shaft 47 can lift and rotate. When the bottom is rolled, the bottom rolling mold 31 rises to be matched with the forming mold 20 below the turntable. This is a mature technology and will not be described in detail. In the present embodiment, the lap seam 25 of each paper container barrel 8 is improved so as to be positioned uniformly.

Wherein, be connected with on rolling up end mould 31 and rectify circle 32, rectify circle 32 and be located the top of rolling up end mould 31, rectify circle 32 and will go up and down and rotate along with rolling up end mould 31. A spring 33 is arranged between the deviation correcting ring 32 and the bottom rolling die 31, the deviation correcting ring 32 moves relative to the bottom rolling die 31, and the deviation correcting ring 32 has elastic configuration; the deviation rectifying ring 32 is provided with a deviation rectifying through hole 34, when the deviation rectifying ring 32 ascends along with the bottom rolling die 31, the deviation rectifying ring 32 holds the paper container barrel 8 on the forming die 20 in advance, the deviation rectifying through hole 34 of the deviation rectifying ring 32 is sleeved outside and pressed on the paper container barrel 8, and the deviation rectifying ring 32 provided with the spring 33 holds the paper container barrel 8 stably and smoothly.

The forming mold 20 includes a mandrel 35 and a mold body 36, the mold body 36 is located below the turntable, the mold body 36 is connected to the mandrel 35, and a rotation bearing 37 is disposed between the mold body 36 and the mandrel 35, so that the mold body 36 rotates on the mandrel 35. During the forming process, the paper container barrel 8 is sleeved outside the mold body 36. So that the deviation correcting ring 32 and the mold body 36 cooperate to clamp the paper container barrel 8 for rotation.

In addition, a photo-eye 38 is provided on the side of the forming die 20 at the bottom rolling station, and the photo-eye 38 is used to detect the position of the seam (i.e., the lap seam 25 of the paper container barrel 8). The photoelectric eye 38 is connected to a rotation transmission device (not shown), and the photoelectric eye 38 transmits a signal to the rotation transmission device, so that the rotation transmission device cooperates with the bottom rolling mold 31 to rotate correspondingly, so as to rotate the bottom rolling mold by a desired angle. The photoelectric eye 38 is mounted on the frame, and the position of the photoelectric eye 38 can be adjusted, so as to detect and adjust the position of the joint more smoothly. The rotary transmission device comprises a servo motor, the servo motor is used for driving rotation, the rotation precision is higher and controllable, and the technology is mature.

The working principle is that when the paper container barrel 8 is located on the die body 36 of the forming die 20, the forming die 20 rotates to the bottom rolling station along with the turntable, the bottom rolling die 31 can lift and rotate, when the bottom rolling die 31 rises, the deviation correcting ring 32 contacts and embraces the paper container barrel 8 on the die body 36 of the forming die 20 firstly, the deviation correcting via hole 34 is sleeved outside the paper container barrel 8, the bottom rolling die 31 rotates to drive the deviation correcting ring 32 to rotate, the deviation correcting ring 32 and the die body 36 clamp the paper container barrel 8 to rotate, so that the position of the lap seam 25 of the paper container barrel 8 can be adjusted, and the bottom rolling die 31 stops rotating or stops rotating after rotating an integer number of turns until the photoelectric source detects that the lap seam 25 is in place, wherein the rotation of the bottom rolling die 31 is driven by the rotary transmission device.

In the position deviation rectifying mechanism for lap joint of paper container barrel, on the basis of lifting and rotating of the bottom coiling mould 31, the deviation rectifying ring 32 is additionally arranged on the bottom coiling mould 31, so that the deviation rectifying via hole 34 of the deviation rectifying ring 32 leans against the outside of the paper container barrel 8 on the mould body 36 of the forming mould 20, and the forming mould 20 is structurally changed, the mould body 36 of the forming mould 20 can rotate relatively, the photoelectric eye 38 can detect the position of the lap joint 25 of the paper container, the bottom coiling mould 31 is lifted, the mould body 36 of the forming mould 20 rotates through the rotation of the bottom coiling mould 31, the deviation rectifying ring 32 presses the paper container barrel 8 on the mould body 36 to rotate, thereby the position of the lap joint 25 of the paper container barrel 8 can be adjusted, the positions of the lap joints 25 of the paper container barrels 8 are kept uniform, and the paper containers with uniform positions are sent to the forming mould 20 and then the positions are not easy to change, more practical, the effect of rectifying is better. Avoid the lap joint 25 position of paper container stack 8 to incline left or right, help the fashioned stability of paper container to avoid the lap joint 25 of paper container stack 8 in the follow-up, let the paper container bottom atress more even when the roll extrusion or the swell-squeeze in the roll extrusion or the swell-squeeze equipment.

The following optimization or further explanation can be made on the basis of the above embodiment.

For example, offset vias 34 are matched to molding dies 20. So that the deviation correcting ring 32 can be stably sleeved outside the die body 36 of the forming die 20. For example, offset vias 34 are tapered vias.

As another example, the rotary bearing 37 is a one-way rotary bearing 37. The die body 36 can rotate in one direction and cannot rotate reversely, bottom rolling can be performed smoothly in the following process, the rolling can be performed in a reverse rolling mode, the die body 36 of the forming die 20 cannot rotate reversely to be in a fixed state, the die body 36 is prevented from rotating in the reverse rolling process, and the rolling effect is ensured. The rotary bearing 37 can be provided with a plurality of rotary bearings 37 between the die body 36 and the core shaft 35, two rotary bearings 37 are arranged in the figure, the rotary bearings 37 are mounted on corresponding mounting step structures between the die body 36 and the core shaft 35, and a locking ring can be further arranged for connection.

In addition, an air passage 39 is provided in the mandrel 35, and a lower port of the air passage 39 is provided at a lower end of the mandrel 35 or below the die body 36. The air source can be smoothly connected so as to suck the bottom of the container. In the figure, the air passage 39 is vertically through. Of course, the outlet of the air passage may be located elsewhere, such as on a side wall of the mold block 36.

Preferably, the lower end of the mandrel 35 is provided with a bottom plate 40, and the lower port of the air passage 39 is located on the bottom plate 40. The structure layout is reasonable, the bottom of the container is more stable, and the bottom of the container is more flat under the chassis 40.

The gas channel 39 may be opened directly in the mandrel 35 or may be provided on the core tube 41. For example, the gas channel 39 is disposed on the core tube 41, the core tube 41 is slidably fitted in the central hole of the mandrel 35, the lower end of the core tube 41 is connected to the bottom plate 40, the bottom plate 40 is disposed on the core tube 41, the lower port of the gas channel 39 is located on the bottom plate 40, and the bottom plate 40 is located below the mandrel 35. The processing and manufacturing are convenient, and the assembly is simple. The core tube 41 can be slid up and down within the mandrel 35 for post-formation stripping of the paper container. In addition, the core tube 41 may be provided with a return spring 33 which moves downward when the top of the top pipe is pressed down, and the return spring 33 causes the top pipe to rise and return. The lifting and lowering of the core tube 41 with the gas channel 39 on the forming mold 20 is well-established in the art and will not be described in detail

For another example, the core shaft 35 is further provided with a speed reducing friction disk 42, and the speed reducing friction disk 42 is in contact fit with the mold body 36. The die body 36 contacts the speed reducing friction disk 42 to perform a friction action on the die body 36, so as to prevent the die body 36 from rotating, and prevent the paper container barrel 8 on the forming die 20 from rotating to change positions.

Preferably, the speed reducing friction disk 42 is sleeved on the core shaft 35, and the speed reducing friction disk 42 is positioned on the upper side of the die body 36. The speed reducing friction disk 42 may be an annular disk for ease of installation.

The bottom rolling die 31 is connected with a bolt 43, the spring 33 is sleeved on the bolt 43, the bolt 43 is connected with a support ring 45, a connecting hole of the support ring 45 is sleeved on the bolt 43, the spring 33 is located between the support ring and the bottom rolling die 31, the support ring is spread by the spring 33, and the support ring can float on the bottom rolling die 31. The deviation rectifying ring 32 is mounted on the bracket ring and can be connected and mounted through a fastener. Structural configuration is reasonable, can change the circle 32 of rectifying of different specifications, and the circle 32 simple to operate that just rectifies, and is more practical.

The foregoing is a preferred embodiment of the present invention, and it should be noted that the scope of the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the scope of the utility model as set forth in the claims.

Claims (9)

1. Novel paper container stack barrel lap joint's position mechanism of rectifying, including forming die (20), forming die (20) are connected on the carousel to forming die (20) vertical setting is equipped with at the bottom of the book mould (31) in the below of forming die (20) of rolling up end station department, rolls up end mould (31) and is connected its characterized in that with lift transmission and rotation transmission: be connected with on rolling up end mould (31) and rectify circle (32), it is located the top of rolling up end mould (31) to rectify circle (32), it is furnished with spring (33) to rectify between circle (32) and the rolling up end mould (31), it is equipped with on circle (32) and rectifies on the circle to rectify and rectify via hole (34), forming die (20) are including dabber (35) and die body (36), die body (36) are located the below of carousel, die body (36) are connected on dabber (35), be equipped with rotating bearing (37) between die body (36) and dabber (35), still be furnished with photoelectricity eye (38) that detect the seam in one side of rolling up end forming die (20) of station department, photoelectricity eye (38) and rotary transmission hookup.

2. The position deviation correcting mechanism of a lap seam of a novel paper container cylinder as claimed in claim 1, characterized in that: the deviation rectifying through hole (34) is matched with the forming die (20).

3. The position deviation correcting mechanism of a lap seam of a novel paper container cylinder as claimed in claim 1, characterized in that: the rotary bearing (37) adopts a one-way rotary bearing (37).

4. The position deviation correcting mechanism of a lap seam of a novel paper container cylinder as claimed in claim 1, characterized in that: an air channel (39) is arranged in the mandrel (35), and the lower port of the air channel (39) is arranged at the lower end of the mandrel (35) or below the die body (36).

5. The novel position deviation correcting mechanism for a lap seam of a paper container barrel as claimed in claim 4, wherein: the lower end of the mandrel (35) is provided with a chassis (40), and the lower port of the air channel (39) is positioned on the chassis (40).

6. The novel position deviation correcting mechanism for a lap seam of a paper container barrel as claimed in claim 4, wherein: the gas channel (39) is arranged on the core pipe (41), the core pipe (41) is sleeved in a center hole of the mandrel (35) in a sliding mode, the lower end of the core pipe (41) is connected with the base plate (40), the base plate (40) is located on the core pipe (41), the lower port of the gas channel (39) is located on the base plate (40), and the base plate (40) is located below the mandrel (35).

7. The position deviation correcting mechanism of a lap seam of a novel paper container cylinder as claimed in claim 1, characterized in that: the mandrel (35) is also provided with a speed reducing friction disc (42), and the speed reducing friction disc (42) is in contact fit with the die body (36).

8. The novel position deviation rectifying mechanism for lap seam of paper container cylinder as claimed in claim 7, characterized in that: the speed reducing friction disc (42) is sleeved on the mandrel (35), and the speed reducing friction disc (42) is positioned on the upper side of the die body (36).

9. The position deviation correcting mechanism of a lap seam of a novel paper container cylinder as claimed in claim 1, characterized in that: the bottom rolling die is characterized in that a bolt (43) is connected to the bottom rolling die (31), a spring (33) is sleeved on the bolt (43), a support ring (45) is connected to the bolt (43), a connecting hole of the support ring (45) is sleeved on the bolt (43), the spring (33) is located between the support ring and the bottom rolling die (31), and a deviation rectifying ring (32) is installed on the support ring.

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